1/* 2 * Copyright (C) 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef PlatformSpeechSynthesisUtterance_h 27#define PlatformSpeechSynthesisUtterance_h 28 29#if ENABLE(SPEECH_SYNTHESIS) 30 31#include "PlatformSpeechSynthesisVoice.h" 32#include <wtf/PassRefPtr.h> 33#include <wtf/RefCounted.h> 34#include <wtf/text/WTFString.h> 35 36namespace WebCore { 37 38class PlatformSpeechSynthesisUtteranceClient { 39public: 40 // Implement methods as needed. 41protected: 42 virtual ~PlatformSpeechSynthesisUtteranceClient() { } 43}; 44 45class PlatformSpeechSynthesisUtterance : public RefCounted<PlatformSpeechSynthesisUtterance> { 46public: 47 static PassRefPtr<PlatformSpeechSynthesisUtterance> create(PlatformSpeechSynthesisUtteranceClient*); 48 49 const String& text() const { return m_text; } 50 void setText(const String& text) { m_text = text; } 51 52 const String& lang() const { return m_lang; } 53 void setLang(const String& lang) { m_lang = lang; } 54 55 PlatformSpeechSynthesisVoice* voice() const { return m_voice.get(); } 56 void setVoice(PlatformSpeechSynthesisVoice* voice) { m_voice = voice; } 57 58 // Range = [0, 1] where 1 is the default. 59 float volume() const { return m_volume; } 60 void setVolume(float volume) { m_volume = std::max(std::min(1.0f, volume), 0.0f); } 61 62 // Range = [0.1, 10] where 1 is the default. 63 float rate() const { return m_rate; } 64 void setRate(float rate) { m_rate = std::max(std::min(10.0f, rate), 0.1f); } 65 66 // Range = [0, 2] where 1 is the default. 67 float pitch() const { return m_pitch; } 68 void setPitch(float pitch) { m_pitch = std::max(std::min(2.0f, pitch), 0.0f); } 69 70 double startTime() const { return m_startTime; } 71 void setStartTime(double startTime) { m_startTime = startTime; } 72 73 PlatformSpeechSynthesisUtteranceClient* client() const { return m_client; } 74 void setClient(PlatformSpeechSynthesisUtteranceClient* client) { m_client = client; } 75 76private: 77 explicit PlatformSpeechSynthesisUtterance(PlatformSpeechSynthesisUtteranceClient*); 78 79 PlatformSpeechSynthesisUtteranceClient* m_client; 80 String m_text; 81 String m_lang; 82 RefPtr<PlatformSpeechSynthesisVoice> m_voice; 83 float m_volume; 84 float m_rate; 85 float m_pitch; 86 double m_startTime; 87}; 88 89} // namespace WebCore 90 91#endif // ENABLE(SPEECH_SYNTHESIS) 92 93#endif // PlatformSpeechSynthesisUtterance_h 94